#include <iostream>
#include <cmath>

int main103()
{
    using namespace std;

    double area;

    cout << "Enter the floor area, in square feet, of your home." << endl;

    cin >> area;

    double side;

    side = sqrt(area);

    cout << "That's the equivalent of a square " << side
        << " feet to the side." << endl
        << "How fascinating!" << endl;

    return 0;
}